Thermostat

^^^ it takes the heat from the enigine, so this will let the engine temp go down a lil

Quote:

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Originally Posted by barefootbonzai

having the heater on helps your car stay cool.

apart from the temp gauge going up, does the car still feel ok? Might just be a sensor problem.

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yeah feels quite normal... warms up normally too. i'd drive for about 15 minutes and the temp is normal, about half way. only if i go longer does it slowly creep higher, then drops at times, then back up. but since it's done this i haven't driven (without absolutely needing to) for more then 15 mins.

i'll check all the fuses tonight - if still no good, i might just take it to someone to look at.

know this topic is a few weeks old.. but im having a similar problem.
at night my car feels hot, but the temp gauge wont go past like 3 or 4 notches and wont show normal temp.
took it to the mechanic, they said everything appears to be fine radiator wise and my fans are coming on, but didnt check the thermostat.
could it still be the thermo if the car feels hot but gauge shows a cooler reading that what is normal.
during the day it takes ages to get to normal temp.. so this only really happens at night.

thermostat probably stuck open, basically constantly cooling ur engine at a certain rate (depending on how much it is stuck open) and night time usually colder then daytime (also at times less traffic, so more airflow thru ur engine whilst ur moving and also cooling engine) .. so prob taking ur car even longer to heat up or mayb not heat up at all..

car feeling hot doesnt mean it is hot .. when im bleedin a cooling system, i can have car running with radiator cap off, and the coolant is smoking yet the fans still not comin on or bottom hose not gettin hot (thermostat not open yet) .. and touchin any part of engine will be burning hot lol but yer doesnt mean it is actually at operating temp by looking and feelin.

hey guys,

have a small problem with my car during this hot weather,

the temp will rise if i am travelling on a highway. ( i have aircon on at the time). normal city driving is ok, but as soon as i hit the highway for a little while, the temp will rise.. i have to drive with the heater on in 44 degrees weather.. :S...

any idea? seems like its only overheat on freeway driving.
its only happen on a hot day, .....

Fan is working, there is lots of collant, i changed the thermostat about 3 months ago.

thanks